On Mon, Sep 14, 2009 at 03:26:20PM +0100, Rui Miguel Silva Seabra wrote:
> On Mon, Sep 14, 2009 at 01:51:44PM +0400, Paul Fertser wrote:
> > Thanks to LKML discussion there's an interesting switch found that
> > reportedly makes CFS behave as good as BFS for typical desktop workloads.
> >
> > Read all the details at [1] and to try it on your devices, simply do:
> >
> > mkdir /debug
> > mount -t debugfs none /debug
> > echo NO_NEW_FAIR_SLEEPERS > /debug/sched_features
> >
> > It will magically solve all the problems but i hope it can improve
> > experience at least somewhat.
> >
> > [1] http://marc.info/?l=linux-kernel&m=125260838709566&w=3
>
> I will keep it on for some more time, but I must say that the effect
> was immediate. This is what I did try immediately and already felt a
> difference:
>
> 1) expand panel (faster)
> 2) get task list (faster)
> 3) switch applications from task list (faster)
> 4) switch applications from panel left and right buttons (faster)
> 5) suspend (faster)
> 6) resume (faster)
>
> Of course I have no idea on the effects of power saving or how much
> of these faster things don't actually suffer from some psychological
> effect :)
7) loading SHR's Dialer (faster)
8) time between pressing 'call' and call actually being made (faster)
Rui
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